121931302 has 8 divisors (see below), whose sum is σ = 183003912. Its totient is φ = 60930000.

The previous prime is 121931291. The next prime is 121931309. The reversal of 121931302 is 203139121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121931309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13324 + ... + 20527.

It is an arithmetic number, because the mean of its divisors is an integer number (22875489).

Almost surely, 2^121931302 is an apocalyptic number.

121931302 is a deficient number, since it is larger than the sum of its proper divisors (61072610).

121931302 is a wasteful number, since it uses less digits than its factorization.

121931302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35654.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 121931302 is about 11042.2507669406. The cubic root of 121931302 is about 495.8744560641.

The spelling of 121931302 in words is "one hundred twenty-one million, nine hundred thirty-one thousand, three hundred two".